diff --git a/ganttzk/src/main/java/org/zkoss/ganttz/timetracker/TimeTrackerComponent.java b/ganttzk/src/main/java/org/zkoss/ganttz/timetracker/TimeTrackerComponent.java
index 75cafe04b..e5e0c1371 100644
--- a/ganttzk/src/main/java/org/zkoss/ganttz/timetracker/TimeTrackerComponent.java
+++ b/ganttzk/src/main/java/org/zkoss/ganttz/timetracker/TimeTrackerComponent.java
@@ -194,4 +194,8 @@ public abstract class TimeTrackerComponent extends HtmlMacroComponent {
         return getTimeTracker().getMapper().getPixelsPerDay().doubleValue();
     }
 
+    public boolean getWeekLevel() {
+        return timeTracker.getDetailLevel() == ZoomLevel.DETAIL_FOUR;
+    }
+
 }
diff --git a/ganttzk/src/main/java/org/zkoss/ganttz/timetracker/zoom/DetailItem.java b/ganttzk/src/main/java/org/zkoss/ganttz/timetracker/zoom/DetailItem.java
index cc4fba4e4..fb9729291 100644
--- a/ganttzk/src/main/java/org/zkoss/ganttz/timetracker/zoom/DetailItem.java
+++ b/ganttzk/src/main/java/org/zkoss/ganttz/timetracker/zoom/DetailItem.java
@@ -37,6 +37,16 @@ public final class DetailItem {
     private boolean even;
     private boolean bankHoliday;
 
+    private String bankHolidayWeek;
+
+    public String getBankHolidayWeek() {
+        return bankHolidayWeek;
+    }
+
+    public void setBankHolidayWeek(String bankHolidayWeek) {
+        this.bankHolidayWeek = bankHolidayWeek;
+    }
+
     private boolean currentPeriod;
     private int currentDayOffset;
 
@@ -175,6 +185,10 @@ public final class DetailItem {
         return offset;
     }
 
+    public void markBankHolidayWeek(String result) {
+        setBankHolidayWeek(result);
+    }
+
     public void markBankHoliday() {
         setBankHoliday(true);
     }
diff --git a/ganttzk/src/main/resources/web/ganttz/img/not-workable-shade.png b/ganttzk/src/main/resources/web/ganttz/img/not-workable-shade.png
new file mode 100644
index 000000000..5e0d73d4f
Binary files /dev/null and b/ganttzk/src/main/resources/web/ganttz/img/not-workable-shade.png differ
diff --git a/ganttzk/src/main/resources/web/ganttz/zul/timetracker/timetrackersecondlevel.zul b/ganttzk/src/main/resources/web/ganttz/zul/timetracker/timetrackersecondlevel.zul
index eb6a693ec..3f420f0c4 100644
--- a/ganttzk/src/main/resources/web/ganttz/zul/timetracker/timetrackersecondlevel.zul
+++ b/ganttzk/src/main/resources/web/ganttz/zul/timetracker/timetrackersecondlevel.zul
@@ -29,11 +29,17 @@
                 </n:th>
             </n:tr>
             <n:tr id="watermark">
-                <n:td class="timetracker_column${(each.even and (top.zoomLevel != 'DETAIL_FOUR'))?'_even':''}${(each.bankHoliday?' bankHoliday':'')}${(each.currentPeriod?' timetracker_column_today':' ')}${(each.deadlinePeriod?' timetracker_column_deadline':'')}"
+                <n:td if="${!(top.weekLevel)}" class="timetracker_column${(each.even)?'_even':''}${(each.bankHoliday?' bankHoliday':'')}${(each.currentPeriod?' timetracker_column_today':' ')}${(each.deadlinePeriod?' timetracker_column_deadline':'')}"
                     forEach="${top.detailsSecondLevel}"
                     style="background-position: ${each.backgroundOffset}; width: ${each.size}px;">
                     <n:div if="${each.currentPeriod and each.deadlinePeriod}" class="today_deadline" style="background-position: ${each.currentDayOffset}px" />
                 </n:td>
+                <n:td if="${top.weekLevel}" class="week-level timetracker_column ${(each.deadlinePeriod?' timetracker_column_deadline':'')}"
+                    forEach="${top.detailsSecondLevel}"
+                    style="background-position: ${each.bankHolidayWeek}; width: ${each.size}px;">
+                    <n:div if="${each.currentPeriod}" class="timetracker_column_today" style="background-position: ${each.currentDayOffset}px; width:auto;height:100%" />
+                    <n:div if="${each.currentPeriod and each.deadlinePeriod}" class="today_deadline" style="background-position: ${each.currentDayOffset}px" />
+                </n:td>
             </n:tr>
         </n:table>
     </n:div>
diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/order/BankHolidaysMarker.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/order/BankHolidaysMarker.java
index 72c8f4b63..1dc14130f 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/order/BankHolidaysMarker.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/order/BankHolidaysMarker.java
@@ -21,6 +21,7 @@
 package org.navalplanner.web.planner.order;
 
 import org.apache.commons.lang.Validate;
+import org.joda.time.LocalDate;
 import org.navalplanner.business.calendars.entities.BaseCalendar;
 import org.navalplanner.business.calendars.entities.ICalendar;
 import org.navalplanner.business.workingday.IntraDayDate.PartialDay;
@@ -42,6 +43,8 @@ public final class BankHolidaysMarker implements
 
     private final ICalendar calendar;
 
+    private static final int WEEK_LEVEL_SHADE_WIDTH = 8;
+
     /**
      * <strong>Important: </strong>Make sure that the provided calendar has all
      * its associated data loaded.
@@ -62,6 +65,24 @@ public final class BankHolidaysMarker implements
                 item.markBankHoliday();
             }
         }
+        if ((calendar != null)
+                && (z == ZoomLevel.DETAIL_THREE || z == ZoomLevel.DETAIL_FOUR)) {
+            LocalDate day = item.getStartDate().toLocalDate();
+            boolean notWorkable;
+            StringBuilder result = new StringBuilder();
+            for (int i = 0; i < 7; i++) {
+                notWorkable = calendar.getCapacityOn(PartialDay.wholeDay(day))
+                        .isZero();
+                day = day.plusDays(1);
+                result.append(notWorkable ? i * WEEK_LEVEL_SHADE_WIDTH
+                        : -WEEK_LEVEL_SHADE_WIDTH);
+                result.append("px 0");
+                if (i != 6) {
+                    result.append(",");
+                }
+            }
+            item.markBankHolidayWeek(result.toString());
+        }
         return item;
     }
-}
\ No newline at end of file
+}
diff --git a/navalplanner-webapp/src/main/webapp/planner/css/ganttzk.css b/navalplanner-webapp/src/main/webapp/planner/css/ganttzk.css
index 2dde78e51..2336722ec 100644
--- a/navalplanner-webapp/src/main/webapp/planner/css/ganttzk.css
+++ b/navalplanner-webapp/src/main/webapp/planner/css/ganttzk.css
@@ -426,6 +426,17 @@ div.box.limiting-unassigned {
     height: 650px;
 }
 
+
+#watermark .week-level.timetracker_column_even {
+    background-color: #FFFFFF !important;
+}
+
+#watermark .week-level {
+    background-image: url("../../zkau/web/ganttz/img/bank-holiday-shade.png"), url("../../zkau/web/ganttz/img/bank-holiday-shade.png"), url("../../zkau/web/ganttz/img/bank-holiday-shade.png"),url("../../zkau/web/ganttz/img/bank-holiday-shade.png"),url("../../zkau/web/ganttz/img/bank-holiday-shade.png"),url("../../zkau/web/ganttz/img/bank-holiday-shade.png"),url("../../zkau/web/ganttz/img/bank-holiday-shade.png");
+    background-repeat: repeat-y, repeat-y,repeat-y,repeat-y,repeat-y,repeat-y,repeat-y;
+    background-position: -8px 0, -8px 0, -8px 0, -8px 0, -8px 0, -8px 0, -8px 0;
+}
+
 .limitingresources #watermark .bankHoliday {
     height: 650px;
 }